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大家都会觉得能猜出日期、年龄的人是很聪明的.其实,只要你掌握了运用方程解决问题的方法,你也会变得很聪明的.现举例说明.
Everyone will think that people who can guess dates and ages are smart. In fact, as long as you master the methods of using equations to solve problems, you will become very clever. Now illustrate.